The Dive Clean Mini submersible internal filter is powerful yet micro-sized. Includes both sponge filter and activated carbon media. Features water flow adjuster, spray bar, and mounting suction cups. Energy efficient motor. Great for nano applications. Suitable for both freshwater and marine use. Max head height - 20". Max volume - 48 G.P.H. (1.1" x 1.3" x 5" - excluding nozzle).